tools/firewire: nosy-dump: remove unused code

[linux-3.10.git] / tools / firewire / nosy-dump.c

diff --git a/tools/firewire/nosy-dump.c b/tools/firewire/nosy-dump.c
index 5241cb402d6b1bbefe779a72929ce4083ab64001..f93b776370b6f31fc52d68fe9b3dbf8085d34ed3 100644 (file)
--- a/tools/firewire/nosy-dump.c
+++ b/tools/firewire/nosy-dump.c
@@ -903,11 +903,12 @@ set_input_mode(void)
 
 int main(int argc, const char *argv[])
 {
+       uint32_t buf[128 * 1024];
+       uint32_t filter;
+       int length, retval, view;
        int fd = -1;
        FILE *output = NULL, *input = NULL;
        poptContext con;
-       int retval;
-       int view;
        char c;
        struct pollfd pollfds[2];
 
@@ -961,70 +962,62 @@ int main(int argc, const char *argv[])
 
        setvbuf(stdout, NULL, _IOLBF, BUFSIZ);
 
-       if (1) {
-               uint32_t buf[128 * 1024];
-               uint32_t filter;
-               int length;
+       filter = ~0;
+       if (!option_iso)
+               filter &= ~(1 << TCODE_STREAM_DATA);
+       if (!option_cycle_start)
+               filter &= ~(1 << TCODE_CYCLE_START);
+       if (view == VIEW_STATS)
+               filter = ~(1 << TCODE_CYCLE_START);
 
-               filter = ~0;
-               if (!option_iso)
-                       filter &= ~(1 << TCODE_STREAM_DATA);
-               if (!option_cycle_start)
-                       filter &= ~(1 << TCODE_CYCLE_START);
-               if (view == VIEW_STATS)
-                       filter = ~(1 << TCODE_CYCLE_START);
+       ioctl(fd, NOSY_IOC_FILTER, filter);
 
-               ioctl(fd, NOSY_IOC_FILTER, filter);
+       ioctl(fd, NOSY_IOC_START);
 
-               ioctl(fd, NOSY_IOC_START);
+       pollfds[0].fd = fd;
+       pollfds[0].events = POLLIN;
+       pollfds[1].fd = STDIN_FILENO;
+       pollfds[1].events = POLLIN;
 
-               pollfds[0].fd = fd;
-               pollfds[0].events = POLLIN;
-               pollfds[1].fd = STDIN_FILENO;
-               pollfds[1].events = POLLIN;
-
-               while (run) {
-                       if (input != NULL) {
-                               if (fread(&length, sizeof length, 1, input) != 1)
+       while (run) {
+               if (input != NULL) {
+                       if (fread(&length, sizeof length, 1, input) != 1)
+                               return 0;
+                       fread(buf, 1, length, input);
+               } else {
+                       poll(pollfds, 2, -1);
+                       if (pollfds[1].revents) {
+                               read(STDIN_FILENO, &c, sizeof c);
+                               switch (c) {
+                               case 'q':
+                                       if (output != NULL)
+                                               fclose(output);
                                        return 0;
-                               fread(buf, 1, length, input);
-                       } else {
-                               poll(pollfds, 2, -1);
-                               if (pollfds[1].revents) {
-                                       read(STDIN_FILENO, &c, sizeof c);
-                                       switch (c) {
-                                       case 'q':
-                                               if (output != NULL)
-                                                       fclose(output);
-                                               return 0;
-                                       }
                                }
-
-                               if (pollfds[0].revents)
-                                       length = read(fd, buf, sizeof buf);
-                               else
-                                       continue;
                        }
 
-                       if (output != NULL) {
-                               fwrite(&length, sizeof length, 1, output);
-                               fwrite(buf, 1, length, output);
-                       }
+                       if (pollfds[0].revents)
+                               length = read(fd, buf, sizeof buf);
+                       else
+                               continue;
+               }
 
-                       switch (view) {
-                       case VIEW_TRANSACTION:
-                               handle_packet(buf, length);
-                               break;
-                       case VIEW_PACKET:
-                               print_packet(buf, length);
-                               break;
-                       case VIEW_STATS:
-                               print_stats(buf, length);
-                               break;
-                       }
+               if (output != NULL) {
+                       fwrite(&length, sizeof length, 1, output);
+                       fwrite(buf, 1, length, output);
+               }
+
+               switch (view) {
+               case VIEW_TRANSACTION:
+                       handle_packet(buf, length);
+                       break;
+               case VIEW_PACKET:
+                       print_packet(buf, length);
+                       break;
+               case VIEW_STATS:
+                       print_stats(buf, length);
+                       break;
                }
-       } else {
-               poptPrintUsage(con, stdout, 0);
        }
 
        if (output != NULL)